A 29-Year-Old Woman Is Brought to the Physician by Her

A 29-year-old woman is brought to the physician by her father because of a change in her behavior over the past 8 months. The father says that his daughter has become increasingly withdrawn; she has not answered any phone calls or visited her family and friends. The patient says that she has to stay at home because a foreign intelligence service is monitoring her. She thinks that they are using a magnetic field to read her mind. Mental status exam shows disjointed and perseverative thinking. She is anxious and has a flat affect. A medication with which of the following primary mechanisms of action is most appropriate for this patient's condition?

A) Alpha receptor agonism
B) Dopamine receptor antagonism
C) Dopamine reuptake inhibition
D) Gamma-aminobutyric acid receptor agonism
E) Histamine receptor antagonism
F) Norepinephrine reuptake inhibition
G) Serotonin reuptake inhibition